<div class="detail voice" ng-click="play(message)" title="播放">
    <div class="second"> {{message.content.duration}}''
    </div>
    <div class="line-scale-pulse-out" ng-class="{playing:message.voiceplaying}">
        <div></div>
        <div></div>
        <div></div>
    </div>
</div>